.main-img-wrapper {
  width: 100%;
}
.main-img-list {
  width: 1200px;
  padding: 50px 0;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
}
.img-item {
  width: 16%;
  padding: 16px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.img-box {
  display: block;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.img-box img {
  width: 80%;
}
.img-title {
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 20px;
}
.main-page-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 1610px) {
  .main-img-list {
    width: 1000px;
  }
}

@media screen and (max-width: 1330px) {
  .main-img-list {
    width: 800px;
  }
}

@media screen and (max-width: 1030px) {
  .main-img-list {
    width: 600px;
  }
}
@media screen and (max-width: 830px) {
  .main-img-list {
    width: 500px;
  }
}